The Tonight Show host talks about his bout with ring avulsion, a finger injury that looks and sounds like something from a horror movie. We Googled it so you don't have to and trust us, you don't want to either.

Collin Burns, 15, shares the techniques he used to become the world's fastest Rubik's Cube solver. It's not as complicated as you might think, but it's not anything anyone with weak fingers should try.